PartsTable
Technical Data Sheet
M17902-B-FM ✓ Verified by PartsTable
· HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The ADAPTER,STRAIGHT,PIPE TO HOSE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, nominal_thread_size: 2.500 INCHES FIRST END IN, nominal_overall_length: 4.594 INCHES IN, thread_series_designator: NPT FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-242-2832, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
M17902-B-FM
NSN: 4730-01-242-2832
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
nominal_thread_size2.500 INCHES FIRST END IN
nominal_overall_length4.594 INCHES IN
thread_series_designatorNPT FIRST END
nominal_inside_diameter_hose_accommodated2.500 INCHES SECOND END IN
nominal_outside_diameter_hose_accommodated3.100 INCHES SECOND END IN
NSN4730-01-242-2832
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M17902-B-FM · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
THREAD SERIES DESIGNATOR: NPT FIRST END
CONNECTION STYLE: GRIPPING NIPPLE (NOSE) SECOND END
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: 3.100 INCHES SECOND END IN
NOMINAL THREAD SIZE: 2.500 INCHES FIRST END IN
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 2.500 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT FIRST END
CONNECTION STYLEGRIPPING NIPPLE (NOSE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED3.100 INCHES SECOND END IN
CONNECTION STYLEPLAIN (PIPE) FIRST END
NOMINAL THREAD SIZE2.500 INCHES FIRST END IN
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED2.500 INCHES SECOND END IN
CONNECTION TYPETHREADED EXTERNAL HOSE GRIPPING SECOND END
NOMINAL OVERALL LENGTH4.594 INCHES IN
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MILH17902TYPEBInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-17902Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-17902Interchangeable
interchangeable cross-reference
interchangeable
M17902-B-CCA-50Interchangeable
interchangeable cross-reference
interchangeable
S4823-3006536ALT1PC1Interchangeable
interchangeable cross-reference
interchangeable
2-27464Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M17902-B-FM?
M17902-B-FM is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace M17902-B-FM?
There are 18 known substitutes for M17902-B-FM: MILH17902TYPEB, MIL-DTL-17902, MIL-H-17902 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M17902-B-FM?
M17902-B-FM is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-242-2832. This indicates validated use in U.S. government and defense supply chains.
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